OK. It seems there are some common installation problems with Framework 3.5, some of them come from version 2 being not ‘properly’ installed. So now I got this issue resolved and ‘Tabbles’ is running, at last.
The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.